10131201450 has 144 divisors (see below), whose sum is σ = 28350256896. Its totient is φ = 2590963200.

The previous prime is 10131201439. The next prime is 10131201463. The reversal of 10131201450 is 5410213101.

10131201450 is a `hidden beast` number, since 1 + 0 + 13 + 1 + 201 + 450 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1573137 + ... + 1579563.

It is an arithmetic number, because the mean of its divisors is an integer number (196876784).

Almost surely, 2^10131201450 is an apocalyptic number.

10131201450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10131201450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14175128448).

10131201450 is an abundant number, since it is smaller than the sum of its proper divisors (18219055446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10131201450 is a wasteful number, since it uses less digits than its factorization.

10131201450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6589 (or 6581 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 10131201450 its reverse (5410213101), we get a palindrome (15541414551).

The spelling of 10131201450 in words is "ten billion, one hundred thirty-one million, two hundred one thousand, four hundred fifty".